forked from qwerty/tupali
826 lines
31 KiB
JavaScript
826 lines
31 KiB
JavaScript
/* *
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*
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* Experimental data export module for Highcharts
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*
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* (c) 2010-2020 Torstein Honsi
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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// @todo
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// - Set up systematic tests for all series types, paired with tests of the data
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// module importing the same data.
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'use strict';
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import Highcharts from '../parts/Globals.js';
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/**
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* Function callback to execute while data rows are processed for exporting.
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* This allows the modification of data rows before processed into the final
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* format.
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*
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* @callback Highcharts.ExportDataCallbackFunction
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* @extends Highcharts.EventCallbackFunction<Highcharts.Chart>
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*
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* @param {Highcharts.Chart} this
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* Chart context where the event occured.
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*
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* @param {Highcharts.ExportDataEventObject} event
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* Event object with data rows that can be modified.
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*/
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/**
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* Contains information about the export data event.
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*
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* @interface Highcharts.ExportDataEventObject
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*/ /**
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* Contains the data rows for the current export task and can be modified.
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* @name Highcharts.ExportDataEventObject#dataRows
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* @type {Array<Array<string>>}
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*/
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import U from '../parts/Utilities.js';
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var defined = U.defined, extend = U.extend, isObject = U.isObject, pick = U.pick;
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import '../parts/Chart.js';
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import '../mixins/ajax.js';
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import '../mixins/download-url.js';
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var win = Highcharts.win, doc = win.document, seriesTypes = Highcharts.seriesTypes, downloadURL = Highcharts.downloadURL, fireEvent = Highcharts.fireEvent;
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// Can we add this to utils? Also used in screen-reader.js
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/**
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* HTML encode some characters vulnerable for XSS.
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* @private
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* @param {string} html The input string
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* @return {string} The excaped string
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*/
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function htmlencode(html) {
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return html
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.replace(/&/g, '&')
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/"/g, '"')
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.replace(/'/g, ''')
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.replace(/\//g, '/');
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}
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Highcharts.setOptions({
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/**
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* Callback that fires while exporting data. This allows the modification of
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* data rows before processed into the final format.
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*
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* @type {Highcharts.ExportDataCallbackFunction}
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* @context Highcharts.Chart
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* @requires modules/export-data
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* @apioption chart.events.exportData
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*/
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/**
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* When set to `false` will prevent the series data from being included in
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* any form of data export.
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*
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* Since version 6.0.0 until 7.1.0 the option was existing undocumented
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* as `includeInCSVExport`.
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*
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* @type {boolean}
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* @since 7.1.0
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* @requires modules/export-data
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* @apioption plotOptions.series.includeInDataExport
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*/
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/**
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* @optionparent exporting
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* @private
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*/
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exporting: {
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/**
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* Caption for the data table. Same as chart title by default. Set to
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* `false` to disable.
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*
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* @sample highcharts/export-data/multilevel-table
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* Multiple table headers
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*
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* @type {boolean|string}
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* @since 6.0.4
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* @requires modules/export-data
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* @apioption exporting.tableCaption
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*/
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/**
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* Options for exporting data to CSV or ExCel, or displaying the data
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* in a HTML table or a JavaScript structure.
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*
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* This module adds data export options to the export menu and provides
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* functions like `Chart.getCSV`, `Chart.getTable`, `Chart.getDataRows`
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* and `Chart.viewData`.
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*
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* The XLS converter is limited and only creates a HTML string that is
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* passed for download, which works but creates a warning before
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* opening. The workaround for this is to use a third party XLSX
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* converter, as demonstrated in the sample below.
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*
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* @sample highcharts/export-data/categorized/ Categorized data
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* @sample highcharts/export-data/stock-timeaxis/ Highstock time axis
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* @sample highcharts/export-data/xlsx/
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* Using a third party XLSX converter
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*
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* @since 6.0.0
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* @requires modules/export-data
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*/
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csv: {
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/**
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* Formatter callback for the column headers. Parameters are:
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* - `item` - The series or axis object)
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* - `key` - The point key, for example y or z
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* - `keyLength` - The amount of value keys for this item, for
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* example a range series has the keys `low` and `high` so the
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* key length is 2.
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*
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* If [useMultiLevelHeaders](#exporting.useMultiLevelHeaders) is
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* true, columnHeaderFormatter by default returns an object with
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* columnTitle and topLevelColumnTitle for each key. Columns with
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* the same topLevelColumnTitle have their titles merged into a
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* single cell with colspan for table/Excel export.
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*
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* If `useMultiLevelHeaders` is false, or for CSV export, it returns
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* the series name, followed by the key if there is more than one
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* key.
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*
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* For the axis it returns the axis title or "Category" or
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* "DateTime" by default.
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*
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* Return `false` to use Highcharts' proposed header.
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*
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* @sample highcharts/export-data/multilevel-table
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* Multiple table headers
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*
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* @type {Function|null}
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*/
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columnHeaderFormatter: null,
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/**
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* Which date format to use for exported dates on a datetime X axis.
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* See `Highcharts.dateFormat`.
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*/
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dateFormat: '%Y-%m-%d %H:%M:%S',
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/**
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* Which decimal point to use for exported CSV. Defaults to the same
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* as the browser locale, typically `.` (English) or `,` (German,
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* French etc).
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*
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* @type {string|null}
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* @since 6.0.4
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*/
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decimalPoint: null,
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/**
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* The item delimiter in the exported data. Use `;` for direct
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* exporting to Excel. Defaults to a best guess based on the browser
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* locale. If the locale _decimal point_ is `,`, the `itemDelimiter`
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* defaults to `;`, otherwise the `itemDelimiter` defaults to `,`.
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*
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* @type {string|null}
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*/
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itemDelimiter: null,
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/**
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* The line delimiter in the exported data, defaults to a newline.
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*/
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lineDelimiter: '\n'
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},
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/**
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* Show a HTML table below the chart with the chart's current data.
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*
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* @sample highcharts/export-data/showtable/
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* Show the table
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* @sample highcharts/studies/exporting-table-html
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* Experiment with putting the table inside the subtitle to
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* allow exporting it.
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*
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* @since 6.0.0
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* @requires modules/export-data
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*/
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showTable: false,
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/**
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* Use multi level headers in data table. If [csv.columnHeaderFormatter
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* ](#exporting.csv.columnHeaderFormatter) is defined, it has to return
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* objects in order for multi level headers to work.
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*
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* @sample highcharts/export-data/multilevel-table
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* Multiple table headers
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*
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* @since 6.0.4
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* @requires modules/export-data
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*/
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useMultiLevelHeaders: true,
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/**
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* If using multi level table headers, use rowspans for headers that
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* have only one level.
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*
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* @sample highcharts/export-data/multilevel-table
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* Multiple table headers
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*
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* @since 6.0.4
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* @requires modules/export-data
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*/
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useRowspanHeaders: true
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},
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/**
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* @optionparent lang
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*
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* @private
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*/
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lang: {
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/**
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* The text for the menu item.
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*
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* @since 6.0.0
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* @requires modules/export-data
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*/
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downloadCSV: 'Download CSV',
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/**
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* The text for the menu item.
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*
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* @since 6.0.0
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* @requires modules/export-data
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*/
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downloadXLS: 'Download XLS',
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/**
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* The text for exported table.
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*
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* @since 8.1.0
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* @requires modules/export-data
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*/
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exportData: {
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/**
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* The category column title.
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*/
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categoryHeader: 'Category',
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/**
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* The category column title when axis type set to "datetime".
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*/
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categoryDatetimeHeader: 'DateTime'
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},
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/**
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* The text for the menu item.
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*
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* @since 6.0.0
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* @requires modules/export-data
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*/
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viewData: 'View data table'
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}
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});
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/* eslint-disable no-invalid-this */
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// Add an event listener to handle the showTable option
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Highcharts.addEvent(Highcharts.Chart, 'render', function () {
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if (this.options &&
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this.options.exporting &&
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this.options.exporting.showTable &&
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!this.options.chart.forExport) {
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this.viewData();
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}
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});
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/* eslint-enable no-invalid-this */
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/**
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* Set up key-to-axis bindings. This is used when the Y axis is datetime or
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* categorized. For example in an arearange series, the low and high values
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* should be formatted according to the Y axis type, and in order to link them
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* we need this map.
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*
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* @private
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* @function Highcharts.Chart#setUpKeyToAxis
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*/
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Highcharts.Chart.prototype.setUpKeyToAxis = function () {
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if (seriesTypes.arearange) {
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seriesTypes.arearange.prototype.keyToAxis = {
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low: 'y',
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high: 'y'
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};
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}
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if (seriesTypes.gantt) {
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seriesTypes.gantt.prototype.keyToAxis = {
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start: 'x',
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end: 'x'
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};
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}
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};
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/**
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* Export-data module required. Returns a two-dimensional array containing the
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* current chart data.
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*
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* @function Highcharts.Chart#getDataRows
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*
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* @param {boolean} [multiLevelHeaders]
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* Use multilevel headers for the rows by default. Adds an extra row with
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* top level headers. If a custom columnHeaderFormatter is defined, this
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* can override the behavior.
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*
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* @return {Array<Array<(number|string)>>}
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* The current chart data
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*
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* @fires Highcharts.Chart#event:exportData
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*/
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Highcharts.Chart.prototype.getDataRows = function (multiLevelHeaders) {
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var hasParallelCoords = this.hasParallelCoordinates, time = this.time, csvOptions = ((this.options.exporting && this.options.exporting.csv) || {}), xAxis, xAxes = this.xAxis, rows = {}, rowArr = [], dataRows, topLevelColumnTitles = [], columnTitles = [], columnTitleObj, i, x, xTitle, langOptions = this.options.lang, exportDataOptions = langOptions.exportData, categoryHeader = exportDataOptions.categoryHeader, categoryDatetimeHeader = exportDataOptions.categoryDatetimeHeader,
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// Options
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columnHeaderFormatter = function (item, key, keyLength) {
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if (csvOptions.columnHeaderFormatter) {
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var s = csvOptions.columnHeaderFormatter(item, key, keyLength);
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if (s !== false) {
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return s;
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}
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}
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if (!item) {
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return categoryHeader;
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}
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if (item instanceof Highcharts.Axis) {
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return (item.options.title && item.options.title.text) ||
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(item.dateTime ? categoryDatetimeHeader : categoryHeader);
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}
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if (multiLevelHeaders) {
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return {
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columnTitle: keyLength > 1 ?
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key :
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item.name,
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topLevelColumnTitle: item.name
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};
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}
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return item.name + (keyLength > 1 ? ' (' + key + ')' : '');
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},
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// Map the categories for value axes
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getCategoryAndDateTimeMap = function (series, pointArrayMap, pIdx) {
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var categoryMap = {}, dateTimeValueAxisMap = {};
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pointArrayMap.forEach(function (prop) {
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var axisName = ((series.keyToAxis && series.keyToAxis[prop]) ||
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prop) + 'Axis',
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// Points in parallel coordinates refers to all yAxis
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// not only `series.yAxis`
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axis = Highcharts.isNumber(pIdx) ?
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series.chart[axisName][pIdx] :
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series[axisName];
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categoryMap[prop] = (axis && axis.categories) || [];
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dateTimeValueAxisMap[prop] = (axis && axis.dateTime);
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});
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return {
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categoryMap: categoryMap,
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dateTimeValueAxisMap: dateTimeValueAxisMap
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};
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}, xAxisIndices = [];
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// Loop the series and index values
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i = 0;
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this.setUpKeyToAxis();
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this.series.forEach(function (series) {
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var keys = series.options.keys, xAxis = series.xAxis, pointArrayMap = keys || series.pointArrayMap || ['y'], valueCount = pointArrayMap.length, xTaken = !series.requireSorting && {}, xAxisIndex = xAxes.indexOf(xAxis), categoryAndDatetimeMap = getCategoryAndDateTimeMap(series, pointArrayMap), mockSeries, j;
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if (series.options.includeInDataExport !== false &&
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!series.options.isInternal &&
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series.visible !== false // #55
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) {
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// Build a lookup for X axis index and the position of the first
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// series that belongs to that X axis. Includes -1 for non-axis
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// series types like pies.
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if (!Highcharts.find(xAxisIndices, function (index) {
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return index[0] === xAxisIndex;
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})) {
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xAxisIndices.push([xAxisIndex, i]);
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}
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// Compute the column headers and top level headers, usually the
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// same as series names
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j = 0;
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while (j < valueCount) {
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columnTitleObj = columnHeaderFormatter(series, pointArrayMap[j], pointArrayMap.length);
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columnTitles.push(columnTitleObj.columnTitle || columnTitleObj);
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if (multiLevelHeaders) {
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topLevelColumnTitles.push(columnTitleObj.topLevelColumnTitle ||
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columnTitleObj);
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}
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j++;
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}
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mockSeries = {
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chart: series.chart,
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autoIncrement: series.autoIncrement,
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options: series.options,
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pointArrayMap: series.pointArrayMap
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};
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// Export directly from options.data because we need the uncropped
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// data (#7913), and we need to support Boost (#7026).
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series.options.data.forEach(function eachData(options, pIdx) {
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var key, prop, val, name, point;
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// In parallel coordinates chart, each data point is connected
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// to a separate yAxis, conform this
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if (hasParallelCoords) {
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categoryAndDatetimeMap = getCategoryAndDateTimeMap(series, pointArrayMap, pIdx);
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}
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point = { series: mockSeries };
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series.pointClass.prototype.applyOptions.apply(point, [options]);
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key = point.x;
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name = series.data[pIdx] && series.data[pIdx].name;
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j = 0;
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// Pies, funnels, geo maps etc. use point name in X row
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if (!xAxis ||
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series.exportKey === 'name' ||
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(!hasParallelCoords && xAxis && xAxis.hasNames)) {
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key = name;
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}
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if (xTaken) {
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if (xTaken[key]) {
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key += '|' + pIdx;
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}
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xTaken[key] = true;
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}
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if (!rows[key]) {
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// Generate the row
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rows[key] = [];
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// Contain the X values from one or more X axes
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rows[key].xValues = [];
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}
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rows[key].x = point.x;
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rows[key].name = name;
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rows[key].xValues[xAxisIndex] = point.x;
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while (j < valueCount) {
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prop = pointArrayMap[j]; // y, z etc
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val = point[prop];
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rows[key][i + j] = pick(
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// Y axis category if present
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categoryAndDatetimeMap.categoryMap[prop][val],
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// datetime yAxis
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categoryAndDatetimeMap.dateTimeValueAxisMap[prop] ?
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time.dateFormat(csvOptions.dateFormat, val) :
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null,
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// linear/log yAxis
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val);
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j++;
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}
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});
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i = i + j;
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}
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});
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// Make a sortable array
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for (x in rows) {
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if (Object.hasOwnProperty.call(rows, x)) {
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rowArr.push(rows[x]);
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}
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}
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var xAxisIndex, column;
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// Add computed column headers and top level headers to final row set
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dataRows = multiLevelHeaders ? [topLevelColumnTitles, columnTitles] :
|
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[columnTitles];
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i = xAxisIndices.length;
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while (i--) { // Start from end to splice in
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xAxisIndex = xAxisIndices[i][0];
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column = xAxisIndices[i][1];
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xAxis = xAxes[xAxisIndex];
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// Sort it by X values
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rowArr.sort(function (// eslint-disable-line no-loop-func
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a, b) {
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return a.xValues[xAxisIndex] - b.xValues[xAxisIndex];
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});
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// Add header row
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xTitle = columnHeaderFormatter(xAxis);
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dataRows[0].splice(column, 0, xTitle);
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if (multiLevelHeaders && dataRows[1]) {
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// If using multi level headers, we just added top level header.
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// Also add for sub level
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dataRows[1].splice(column, 0, xTitle);
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}
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// Add the category column
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rowArr.forEach(function (// eslint-disable-line no-loop-func
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row) {
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var category = row.name;
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if (xAxis && !defined(category)) {
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if (xAxis.dateTime) {
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if (row.x instanceof Date) {
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row.x = row.x.getTime();
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}
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category = time.dateFormat(csvOptions.dateFormat, row.x);
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}
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else if (xAxis.categories) {
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category = pick(xAxis.names[row.x], xAxis.categories[row.x], row.x);
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}
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else {
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category = row.x;
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}
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}
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// Add the X/date/category
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row.splice(column, 0, category);
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});
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}
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dataRows = dataRows.concat(rowArr);
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fireEvent(this, 'exportData', { dataRows: dataRows });
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return dataRows;
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};
|
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/**
|
|
* Export-data module required. Returns the current chart data as a CSV string.
|
|
*
|
|
* @function Highcharts.Chart#getCSV
|
|
*
|
|
* @param {boolean} [useLocalDecimalPoint]
|
|
* Whether to use the local decimal point as detected from the browser.
|
|
* This makes it easier to export data to Excel in the same locale as the
|
|
* user is.
|
|
*
|
|
* @return {string}
|
|
* CSV representation of the data
|
|
*/
|
|
Highcharts.Chart.prototype.getCSV = function (useLocalDecimalPoint) {
|
|
var csv = '', rows = this.getDataRows(), csvOptions = this.options.exporting.csv, decimalPoint = pick(csvOptions.decimalPoint, csvOptions.itemDelimiter !== ',' && useLocalDecimalPoint ?
|
|
(1.1).toLocaleString()[1] :
|
|
'.'),
|
|
// use ';' for direct to Excel
|
|
itemDelimiter = pick(csvOptions.itemDelimiter, decimalPoint === ',' ? ';' : ','),
|
|
// '\n' isn't working with the js csv data extraction
|
|
lineDelimiter = csvOptions.lineDelimiter;
|
|
// Transform the rows to CSV
|
|
rows.forEach(function (row, i) {
|
|
var val = '', j = row.length;
|
|
while (j--) {
|
|
val = row[j];
|
|
if (typeof val === 'string') {
|
|
val = '"' + val + '"';
|
|
}
|
|
if (typeof val === 'number') {
|
|
if (decimalPoint !== '.') {
|
|
val = val.toString().replace('.', decimalPoint);
|
|
}
|
|
}
|
|
row[j] = val;
|
|
}
|
|
// Add the values
|
|
csv += row.join(itemDelimiter);
|
|
// Add the line delimiter
|
|
if (i < rows.length - 1) {
|
|
csv += lineDelimiter;
|
|
}
|
|
});
|
|
return csv;
|
|
};
|
|
/**
|
|
* Export-data module required. Build a HTML table with the chart's current
|
|
* data.
|
|
*
|
|
* @sample highcharts/export-data/viewdata/
|
|
* View the data from the export menu
|
|
*
|
|
* @function Highcharts.Chart#getTable
|
|
*
|
|
* @param {boolean} [useLocalDecimalPoint]
|
|
* Whether to use the local decimal point as detected from the browser.
|
|
* This makes it easier to export data to Excel in the same locale as the
|
|
* user is.
|
|
*
|
|
* @return {string}
|
|
* HTML representation of the data.
|
|
*
|
|
* @fires Highcharts.Chart#event:afterGetTable
|
|
*/
|
|
Highcharts.Chart.prototype.getTable = function (useLocalDecimalPoint) {
|
|
var html = '<table id="highcharts-data-table-' + this.index + '">', options = this.options, decimalPoint = useLocalDecimalPoint ? (1.1).toLocaleString()[1] : '.', useMultiLevelHeaders = pick(options.exporting.useMultiLevelHeaders, true), rows = this.getDataRows(useMultiLevelHeaders), rowLength = 0, topHeaders = useMultiLevelHeaders ? rows.shift() : null, subHeaders = rows.shift(),
|
|
// Compare two rows for equality
|
|
isRowEqual = function (row1, row2) {
|
|
var i = row1.length;
|
|
if (row2.length === i) {
|
|
while (i--) {
|
|
if (row1[i] !== row2[i]) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
return true;
|
|
},
|
|
// Get table cell HTML from value
|
|
getCellHTMLFromValue = function (tag, classes, attrs, value) {
|
|
var val = pick(value, ''), className = 'text' + (classes ? ' ' + classes : '');
|
|
// Convert to string if number
|
|
if (typeof val === 'number') {
|
|
val = val.toString();
|
|
if (decimalPoint === ',') {
|
|
val = val.replace('.', decimalPoint);
|
|
}
|
|
className = 'number';
|
|
}
|
|
else if (!value) {
|
|
className = 'empty';
|
|
}
|
|
return '<' + tag + (attrs ? ' ' + attrs : '') +
|
|
' class="' + className + '">' +
|
|
val + '</' + tag + '>';
|
|
},
|
|
// Get table header markup from row data
|
|
getTableHeaderHTML = function (topheaders, subheaders, rowLength) {
|
|
var html = '<thead>', i = 0, len = rowLength || subheaders && subheaders.length, next, cur, curColspan = 0, rowspan;
|
|
// Clean up multiple table headers. Chart.getDataRows() returns two
|
|
// levels of headers when using multilevel, not merged. We need to
|
|
// merge identical headers, remove redundant headers, and keep it
|
|
// all marked up nicely.
|
|
if (useMultiLevelHeaders &&
|
|
topheaders &&
|
|
subheaders &&
|
|
!isRowEqual(topheaders, subheaders)) {
|
|
html += '<tr>';
|
|
for (; i < len; ++i) {
|
|
cur = topheaders[i];
|
|
next = topheaders[i + 1];
|
|
if (cur === next) {
|
|
++curColspan;
|
|
}
|
|
else if (curColspan) {
|
|
// Ended colspan
|
|
// Add cur to HTML with colspan.
|
|
html += getCellHTMLFromValue('th', 'highcharts-table-topheading', 'scope="col" ' +
|
|
'colspan="' + (curColspan + 1) + '"', cur);
|
|
curColspan = 0;
|
|
}
|
|
else {
|
|
// Cur is standalone. If it is same as sublevel,
|
|
// remove sublevel and add just toplevel.
|
|
if (cur === subheaders[i]) {
|
|
if (options.exporting.useRowspanHeaders) {
|
|
rowspan = 2;
|
|
delete subheaders[i];
|
|
}
|
|
else {
|
|
rowspan = 1;
|
|
subheaders[i] = '';
|
|
}
|
|
}
|
|
else {
|
|
rowspan = 1;
|
|
}
|
|
html += getCellHTMLFromValue('th', 'highcharts-table-topheading', 'scope="col"' +
|
|
(rowspan > 1 ?
|
|
' valign="top" rowspan="' + rowspan + '"' :
|
|
''), cur);
|
|
}
|
|
}
|
|
html += '</tr>';
|
|
}
|
|
// Add the subheaders (the only headers if not using multilevels)
|
|
if (subheaders) {
|
|
html += '<tr>';
|
|
for (i = 0, len = subheaders.length; i < len; ++i) {
|
|
if (typeof subheaders[i] !== 'undefined') {
|
|
html += getCellHTMLFromValue('th', null, 'scope="col"', subheaders[i]);
|
|
}
|
|
}
|
|
html += '</tr>';
|
|
}
|
|
html += '</thead>';
|
|
return html;
|
|
};
|
|
// Add table caption
|
|
if (options.exporting.tableCaption !== false) {
|
|
html += '<caption class="highcharts-table-caption">' + pick(options.exporting.tableCaption, (options.title.text ?
|
|
htmlencode(options.title.text) :
|
|
'Chart')) + '</caption>';
|
|
}
|
|
// Find longest row
|
|
for (var i = 0, len = rows.length; i < len; ++i) {
|
|
if (rows[i].length > rowLength) {
|
|
rowLength = rows[i].length;
|
|
}
|
|
}
|
|
// Add header
|
|
html += getTableHeaderHTML(topHeaders, subHeaders, Math.max(rowLength, subHeaders.length));
|
|
// Transform the rows to HTML
|
|
html += '<tbody>';
|
|
rows.forEach(function (row) {
|
|
html += '<tr>';
|
|
for (var j = 0; j < rowLength; j++) {
|
|
// Make first column a header too. Especially important for
|
|
// category axes, but also might make sense for datetime? Should
|
|
// await user feedback on this.
|
|
html += getCellHTMLFromValue(j ? 'td' : 'th', null, j ? '' : 'scope="row"', row[j]);
|
|
}
|
|
html += '</tr>';
|
|
});
|
|
html += '</tbody></table>';
|
|
var e = { html: html };
|
|
fireEvent(this, 'afterGetTable', e);
|
|
return e.html;
|
|
};
|
|
/**
|
|
* Get a blob object from content, if blob is supported
|
|
*
|
|
* @private
|
|
* @param {string} content
|
|
* The content to create the blob from.
|
|
* @param {string} type
|
|
* The type of the content.
|
|
* @return {string|undefined}
|
|
* The blob object, or undefined if not supported.
|
|
*/
|
|
function getBlobFromContent(content, type) {
|
|
var nav = win.navigator, webKit = (nav.userAgent.indexOf('WebKit') > -1 &&
|
|
nav.userAgent.indexOf('Chrome') < 0), domurl = win.URL || win.webkitURL || win;
|
|
try {
|
|
// MS specific
|
|
if (nav.msSaveOrOpenBlob && win.MSBlobBuilder) {
|
|
var blob = new win.MSBlobBuilder();
|
|
blob.append(content);
|
|
return blob.getBlob('image/svg+xml');
|
|
}
|
|
// Safari requires data URI since it doesn't allow navigation to blob
|
|
// URLs.
|
|
if (!webKit) {
|
|
return domurl.createObjectURL(new win.Blob(['\uFEFF' + content], // #7084
|
|
{ type: type }));
|
|
}
|
|
}
|
|
catch (e) {
|
|
// Ignore
|
|
}
|
|
}
|
|
/**
|
|
* Generates a data URL of CSV for local download in the browser. This is the
|
|
* default action for a click on the 'Download CSV' button.
|
|
*
|
|
* See {@link Highcharts.Chart#getCSV} to get the CSV data itself.
|
|
*
|
|
* @function Highcharts.Chart#downloadCSV
|
|
*
|
|
* @requires modules/exporting
|
|
*/
|
|
Highcharts.Chart.prototype.downloadCSV = function () {
|
|
var csv = this.getCSV(true);
|
|
downloadURL(getBlobFromContent(csv, 'text/csv') ||
|
|
'data:text/csv,\uFEFF' + encodeURIComponent(csv), this.getFilename() + '.csv');
|
|
};
|
|
/**
|
|
* Generates a data URL of an XLS document for local download in the browser.
|
|
* This is the default action for a click on the 'Download XLS' button.
|
|
*
|
|
* See {@link Highcharts.Chart#getTable} to get the table data itself.
|
|
*
|
|
* @function Highcharts.Chart#downloadXLS
|
|
*
|
|
* @requires modules/exporting
|
|
*/
|
|
Highcharts.Chart.prototype.downloadXLS = function () {
|
|
var uri = 'data:application/vnd.ms-excel;base64,', template = '<html xmlns:o="urn:schemas-microsoft-com:office:office" ' +
|
|
'xmlns:x="urn:schemas-microsoft-com:office:excel" ' +
|
|
'xmlns="http://www.w3.org/TR/REC-html40">' +
|
|
'<head><!--[if gte mso 9]><xml><x:ExcelWorkbook>' +
|
|
'<x:ExcelWorksheets><x:ExcelWorksheet>' +
|
|
'<x:Name>Ark1</x:Name>' +
|
|
'<x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions>' +
|
|
'</x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook>' +
|
|
'</xml><![endif]-->' +
|
|
'<style>td{border:none;font-family: Calibri, sans-serif;} ' +
|
|
'.number{mso-number-format:"0.00";} ' +
|
|
'.text{ mso-number-format:"\@";}</style>' +
|
|
'<meta name=ProgId content=Excel.Sheet>' +
|
|
'<meta charset=UTF-8>' +
|
|
'</head><body>' +
|
|
this.getTable(true) +
|
|
'</body></html>', base64 = function (s) {
|
|
return win.btoa(unescape(encodeURIComponent(s))); // #50
|
|
};
|
|
downloadURL(getBlobFromContent(template, 'application/vnd.ms-excel') ||
|
|
uri + base64(template), this.getFilename() + '.xls');
|
|
};
|
|
/**
|
|
* Export-data module required. View the data in a table below the chart.
|
|
*
|
|
* @function Highcharts.Chart#viewData
|
|
*
|
|
* @fires Highcharts.Chart#event:afterViewData
|
|
*/
|
|
Highcharts.Chart.prototype.viewData = function () {
|
|
if (!this.dataTableDiv) {
|
|
this.dataTableDiv = doc.createElement('div');
|
|
this.dataTableDiv.className = 'highcharts-data-table';
|
|
// Insert after the chart container
|
|
this.renderTo.parentNode.insertBefore(this.dataTableDiv, this.renderTo.nextSibling);
|
|
}
|
|
this.dataTableDiv.innerHTML = this.getTable();
|
|
fireEvent(this, 'afterViewData', this.dataTableDiv);
|
|
};
|
|
// Add "Download CSV" to the exporting menu.
|
|
var exportingOptions = Highcharts.getOptions().exporting;
|
|
if (exportingOptions) {
|
|
extend(exportingOptions.menuItemDefinitions, {
|
|
downloadCSV: {
|
|
textKey: 'downloadCSV',
|
|
onclick: function () {
|
|
this.downloadCSV();
|
|
}
|
|
},
|
|
downloadXLS: {
|
|
textKey: 'downloadXLS',
|
|
onclick: function () {
|
|
this.downloadXLS();
|
|
}
|
|
},
|
|
viewData: {
|
|
textKey: 'viewData',
|
|
onclick: function () {
|
|
this.viewData();
|
|
}
|
|
}
|
|
});
|
|
if (exportingOptions.buttons) {
|
|
exportingOptions.buttons.contextButton.menuItems.push('separator', 'downloadCSV', 'downloadXLS', 'viewData');
|
|
}
|
|
}
|
|
// Series specific
|
|
if (seriesTypes.map) {
|
|
seriesTypes.map.prototype.exportKey = 'name';
|
|
}
|
|
if (seriesTypes.mapbubble) {
|
|
seriesTypes.mapbubble.prototype.exportKey = 'name';
|
|
}
|
|
if (seriesTypes.treemap) {
|
|
seriesTypes.treemap.prototype.exportKey = 'name';
|
|
}
|